85003125 Volvo FM Water Pump

What does a water pump do?

This water pump plays a critical role in the engine cooling system by circulating coolant between the engine and the radiator to maintain optimal operating temperatures. Built with high-strength components, it ensures reliable performance under the intense thermal demands of heavy commercial vehicle engines.

Vehicle compatibility and fitment

This component is specifically designed for use in Volvo FM and FM II models, including various engine configurations such as the FM 480, FM 440, and FM 380. It is also suitable for the FM II series across several variants like the FM 500, FM 420, and FM 460 LNG, ensuring broad fitment across these robust truck models.

Installation and maintenance

To maintain engine health, technicians should inspect the pump during routine cooling system service. It is recommended to check for signs of coolant leakage or bearing noise during belt replacements to prevent overheating issues. Proper installation ensures the impeller maintains consistent flow rates throughout varying engine speeds.

Maintenance guidance

Regular maintenance of the cooling system helps prevent cavitation and premature wear of the mechanical seals. For fleet managers and workshop technicians, selecting a reliable replacement ensures long-term durability for Volvo FM series drivetrains. Check the compatibility list.

OE cross-reference

525.03.0006 (Water Pump Water Pumps) is the equivalent of the Volvo OE number. This part directly replaces Volvo OE number 85003125.